Merge pull request #289 from cybozu-go/bump-3.1.4 #22

	name: release
	on:
	push:
	tags:
	- 'v*'
	env:
	tag: ${GITHUB_REF#refs/tags/v}
	prerelease: ${{ contains(github.ref, '-') }}
	jobs:
	release-image:
	name: Release Sabakan Image
	runs-on: ubuntu-24.04
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Setup golang
	uses: actions/setup-go@v5
	with:
	go-version-file: go.mod

	- name: Build image
	run: make docker-build

	- name: Login to GitHub Container Registry
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Push container image
	run: \|
	echo "pushing Sabakan image ..."
	docker tag ghcr.io/cybozu-go/sabakan:latest ghcr.io/cybozu-go/sabakan:${{ env.tag }}
	docker push ghcr.io/cybozu-go/sabakan:${{ env.tag }}
	if ${{ env.prerelease }} ; then
	echo ===== Skip pushing branch tags for pre-release ${{ env.tag }} =====
	exit 0
	fi
	BRANCH=$(echo ${{ env.tag }} \| cut -d "." -f 1-2)
	docker tag ghcr.io/cybozu-go/sabakan:latest ghcr.io/cybozu-go/sabakan:$BRANCH
	docker push ghcr.io/cybozu-go/sabakan:$BRANCH

	release-github:
	name: Release GitHub
	runs-on: ubuntu-24.04
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Create GitHub release
	env:
	GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	run: \|
	VERSION=v${{ env.tag }}
	if ${{ env.prerelease }}; then PRERELEASE_FLAG=-p; fi
	gh release create $VERSION $PRERELEASE_FLAG \
	-t "Release $VERSION" \
	-n "See [CHANGELOG.md](./CHANGELOG.md) for details."

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